package database.service;

import java.util.Iterator;

import po.CatalogPO;

public interface CatalogDataService {
	
	public void load();
	public void save();
	
	public Iterator<CatalogPO> getIterator();
	
	public int insert(CatalogPO catalog);
	public void delete(CatalogPO catalog);
	public void update(CatalogPO catalog);
	public CatalogPO find(int id);

}
